/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_BaseAsyncTask.h
If a the DefaultToSelf pin exists then it needs an actual connection to get properly casted during compilation.
True if a successful connection was made to an intermediate node or if one was not necessary. False if a connection was failed.
bool ExpandDefaultToSelfPin ( [FKismetCompilerContext](API\Editor\KismetCompiler\FKismetCompilerContext) & CompilerContext, [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * SourceGraph, [UK2Node_CallFunction](API\Editor\BlueprintGraph\UK2Node_CallFunction) * IntermediateProxyNode )